Marine Deck Hatches & Access Ports
Marine Deck Hatches & Access Ports
Watertight Deck Hatches, Inspection Ports, Storage Hatches & Hatch Accessories
Shop marine deck hatches and access ports for dependable below-deck access, ventilation, storage, inspection, and service work. Find Classic, Mid Line, and Top Line hatches, ISO12216-certified hatch options, locking hatches, storage hatches, trim and screen kits, inspection ports, replacement covers, seals, gaskets, and mounting hardware for demanding marine environments.
Match hatch size by the cutout, outside dimensions, corner radius, lid style, hinge direction, gasket condition, deck thickness, and the space available above and below the deck.
Popular Hatch & Access Searches
Choose by Hatch Series, Size, Function, or Replacement Part
Use these links to narrow the collection by the hatch style or service part. Search links are used for smaller product groups so customers land directly on matching products.
Hatch Families
Classic, Mid Line, Top Line, Locking, and Storage Hatch Options
Different hatch series serve different needs. Some prioritize straightforward access, some add stronger sealing or certification, and some include locks, drawers, or storage organization. Choose based on location, expected water exposure, foot traffic, and the access required below deck.
Service Parts
Keep Hatches Sealed, Secure, and Usable
A good hatch is only useful if the seal, latch, hinge, frame, and fasteners are working. Replace cracked seals, loose handles, missing screens, broken trim, brittle hinges, or worn latches before they allow leaks or unsafe access.
Measure the Cutout
Check the cutout size, outside frame dimensions, corner radius, hinge clearance, and the space below the hatch before ordering.
Match the Use
Storage, ventilation, emergency access, tank inspection, and service openings each need the right lid style, lock, seal, and strength.
Protect the Seal
Clean gasket surfaces, inspect seals often, avoid over-tightening, and replace worn gaskets before leaks reach the cabin or bilge.
Fitment Help
Hatch Replacements Are Usually Measured, Not Guessed
Boat model alone is rarely enough for hatch replacement. Measure the existing hatch, note any markings, photograph the frame and lid, and confirm whether you need a direct replacement, a larger cover, or a hatch that can cover old fastener holes.
Related Hardware Categories
Complete the Hatch or Access Installation
Deck Hatch FAQ
Choosing Marine Deck Hatches and Access Ports
How do I choose the right replacement hatch?
Measure the existing cutout, outside frame, corner radius, hinge side, fastener pattern, lid clearance, and deck thickness. Photos and any molded or printed markings can help confirm the correct search.
What does ISO12216 mean on a deck hatch?
ISO12216 refers to an international marine standard used for windows, portlights, hatches, deadlights, and doors. If that rating matters for your application, confirm the exact product specification before ordering.
When should hatch seals or gaskets be replaced?
Replace hatch seals when they are cracked, flattened, swollen, missing, leaking, or no longer holding a consistent seal after cleaning.
Are trim and screen kits universal?
No. Trim and screen kits usually match a specific hatch series and size. Confirm the hatch model, size, and kit compatibility before ordering.
Shop Marine Deck Hatches & Access Ports
Find hatches, access ports, storage hatches, locking hatches, seals, trim kits, screens, and installation hardware for dependable marine access.
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1D0040590CN Uflex AV Series Electrical Hatch Lifters, 18 in Stroke, 12 volts, LKG
Electromechanical products, especially designed for marine use on pleasure boats. They allow full or partial opening and closing of heavy engine ha...
View full details1D0040584HN Uflex AV Series Electrical Hatch Lifters, 24 in Stroke, 12 volts
Electromechanical products, especially designed for marine use on pleasure boats. They allow full or partial opening and closing of heavy engine ha...
View full details1D0040582DN Uflex AV Series Electrical Hatch Lifters, 18 in Stroke, 12 volts
Electromechanical products, especially designed for marine use on pleasure boats. They allow full or partial opening and closing of heavy engine ha...
View full detailsWhale LD4002 Watertight Locker Door, Clear
Provide easy access to storage space. Approved for use in lifeboats, reliable watertight seal, all plastic. Splashproof, nitrile rubber seal.
Whale LD4000 Watertight Locker Door, Black
Provide easy access to storage space. Approved for use in lifeboats, reliable watertight seal, all plastic. Splashproof, nitrile rubber seal.
Electric Hatch Lift
Comes with 2' leads and Deutsch plugsSince the hatch lift is based around a ball-screw it is able to push and remain at a constant position. Easy t...
View full detailsElectric Hatch Lift
Comes with 2' leads and Deutsch plugsSince the hatch lift is based around a ball-screw it is able to push and remain at a constant position. Easy t...
View full detailsElectric Hatch Lift
Comes with 2' leads and Deutsch plugsSince the hatch lift is based around a ball-screw it is able to push and remain at a constant position. Easy t...
View full detailsElectric Hatch Lift
Comes with 2' leads and Deutsch plugsSince the hatch lift is based around a ball-screw it is able to push and remain at a constant position. Easy t...
View full detailsHatch Inspection 10 1/4X14 1/4
Flush mounting, molded low profile hatch is fully gasketed with UV stabilized resin and non-skid surface.Comes with "T" handles for easy operation ...
View full detailsInspect Hatch 18-1/2X20-3/16
Flush mounting, molded low profile hatch is fully gasketed with UV stabilized resin and non-skid surface.Comes with "T" handles for easy operation ...
View full detailsMolded 10X30 Inspection Hatch
Flush mounting, molded low profile hatch is fully gasketed with UV stabilized resin and non-skid surface.Comes with "T" handles for easy operation ...
View full detailsMolded 10X20 Inspection Hatch
Flush mounting, molded low profile hatch is fully gasketed with UV stabilized resin and non-skid surface.Comes with "T" handles for easy operation ...
View full detailsHatch 10 X 20 Black
Flush mounting, molded low profile hatch is fully gasketed with UV stabilized resin and non-skid surface.Comes with "T" handles for easy operation ...
View full detailsSea-Dog 321476 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214741 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214731 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214631 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214621 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3215861 Gas Lift Ball Stud-10mm
Gas Lift Mounts and ball studs are constructed of 304 stainless steel. Used for mounting gas filled lift springs. Installs with #10 RH fasteners (n...
View full detailsSea-Dog 321424 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 321422 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3215831 Flush Gas Lift
Gas Lift Mounts and ball studs are constructed of 304 stainless steel. Used for mounting gas filled lift springs. Installs with #10 RH fasteners (n...
View full detailsSea-Dog 3215821 90° Gas Lift Mount-Mount-Wide
Gas Lift Mounts and ball studs are constructed of 304 stainless steel. Used for mounting gas filled lift springs. Installs with #10 RH fasteners (n...
View full detailsSea-Dog 3215811 90° Gas Lift Mount-Narrow
Gas Lift Mounts and ball studs are constructed of 304 stainless steel. Used for mounting gas filled lift springs. Installs with #10 RH fasteners (n...
View full detailsSea-Dog 321492 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 321488 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214861 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214841 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Sea-Dog 3214831 Gas Filled Lift Spring
Gas filled lift spring with unique multi-lobe seal.Heavy gauge steel body, hard chromium plated shafts, bronze bushings and polymer end fittings.
Beckson HT1821AW Rectangular Flush Hatch, 18-1/8" x 20-1/2", White
Hatches are easy to install, and mount vertically or horizontally (invisible fasteners when cover is closed). 180° opening, weather tight seal, rei...
View full detailsBeckson HT1515AW Rectangular Flush Hatch, 14-5/8" x 14-3/4", White
Hatches are easy to install, and mount vertically or horizontally (invisible fasteners when cover is closed). 180° opening, weather tight seal, rei...
View full detailsBeckson HT1424AW Rectangular Flush Hatch, 14" x 24", White
Hatches are easy to install, and mount vertically or horizontally (invisible fasteners when cover is closed). 180° opening, weather tight seal, rei...
View full detailsBeckson HT1115AW Rectangular Flush Hatch, 10-3/4" x 14-3/4", White
Hatches are easy to install, and mount vertically or horizontally (invisible fasteners when cover is closed). 180° opening, weather tight seal, rei...
View full detailsStainless Gas Lift Hardware, Double Angle Mounting Brackt, Pair
Ball studs can be easily swapped out on any of our mounts by simply unscrewing the existing ball stud and replacing it with the other size.
Stainless Gas Lift Hardware, Angled Mounting Bracket, Pair
Ball studs can be easily swapped out on any of our mounts by simply unscrewing the existing ball stud and replacing it with the other size.
Zinc Plated Gas Lift Hardware, Angled Bracket, Pair
Ball studs can be easily swapped out on any of our mounts by simply unscrewing the existing ball stud and replacing it with the other size.
Zinc Plated Gas Lift Hardware, Flat Bracket, Pair
Ball studs can be easily swapped out on any of our mounts by simply unscrewing the existing ball stud and replacing it with the other size.
Attwood SL36705 Gas Spring 17.2" Extended, 10.2" Comprssed, 70 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL35405 Gas Spring 8.46" Extended, 12.04" Compressed, 40 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL34905 Gas Spring 20" Extended, 12" Compressed, 90 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL34605 Gas Spring 20" Extended, 12" Compressed, 60 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL34405 Gas Spring 20" Extended, 12" Compressesd, 40 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL34305 Gas Spring 20" Extended, 12" Compressed, 30 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL34205 Gas Spring 20" Extended, 12" Compressed, 20 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL341205 Gas Spring 20" Extended, 12" Compressed, 120 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL33605 Gas Spring 15" Extended, 9.5" Compressed, 60 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL33405 Gas Spring 15" Extended, 9.5" Compressed, 40 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full details